. >>> this morning the pentagon is investigating america's top general in afghanistan. >> and it's connected to david petraeus' resignation as the head of the c.i.a. general john allen succeeded petraeus as the head of the international coalition in afghanistan. a defense official says the investigation centers on possibly inappropriate e-mails with jill kelley. kelley is the florida woman who alerted the f.b.i. about threatening e-mails she got. >> if you know my ser, like i said -- my sister, like i said she's a dedicated mother and dedicated wife. >> it's believed the e-mails kelley felt threatened came from broadwell. broadwell is the woman who wrote the biographer about petraeus who became involved in an extramarital affair. john allen denies he's done anything wrong and remains in command. >>> the biggest of the three rescue boats in the d.c. fire department's fleet is in need of massive repairs. the john glenn is 50 years old. thanks to a missed application deadline, its coast guard application has expired. it needs $700,000 worth of repairs, including to its communication system. 9ne